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WO2018038149A1 - Système d'affichage d'informations de détection de gaz et programme d'affichage d'informations de détection de gaz - Google Patents

Système d'affichage d'informations de détection de gaz et programme d'affichage d'informations de détection de gaz Download PDF

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Publication number
WO2018038149A1
WO2018038149A1 PCT/JP2017/030094 JP2017030094W WO2018038149A1 WO 2018038149 A1 WO2018038149 A1 WO 2018038149A1 JP 2017030094 W JP2017030094 W JP 2017030094W WO 2018038149 A1 WO2018038149 A1 WO 2018038149A1
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WO
WIPO (PCT)
Prior art keywords
gas detection
gas
captured image
target space
detection information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/030094
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English (en)
Japanese (ja)
Inventor
義憲 井手
久一郎 今出
亮太 石川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of WO2018038149A1 publication Critical patent/WO2018038149A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16—Combustible gas alarms

Definitions

  • the present invention relates to a gas detection information display system and a gas detection information display program.
  • Patent Document 1 relates to a device including laser transmission and reflected light receiving means, means for detecting light absorption information by gas from received intensity, and means for displaying absorption information in a visible state.
  • Patent Document 2 relates to an apparatus that includes a mirror scanning unit and performs measurement by moving a measurement area two-dimensionally.
  • the present invention has been made in view of the above problems in the prior art, and it is an object to promptly and clearly display the gas detection position detected by the gas detection device to the on-site personnel searching for the gas detection position.
  • the invention according to claim 1 for solving the above-mentioned problem obtains the gas detection information corresponding to the gas position in the gas detection target space from the gas detection device, and acquires the captured image from the portable imaging device.
  • a gas detection information display system for controlling the display of gas detection position information on a portable display device, Gas position specifying means for specifying a gas detection position in the gas detection target space based on the gas detection information; Visual field specifying means for specifying the visual field of the imaging device when the captured image is captured in the gas detection target space;
  • a gas detection information display system comprising: display control means for displaying the gas detection position specified by the gas position specification means that falls within the field of view on the display device in a superimposed manner on the captured image by positioning within the field of view. It is.
  • the invention according to claim 2 comprises image feature point extraction means for extracting feature points from the captured image
  • the field-of-view specifying unit is configured to capture the captured image in the gas detection target space based on the feature points extracted by the image feature point extraction unit and the facility information in the gas detection target space. It is a gas detection information display system of Claim 1 which specifies the visual field of an imaging device.
  • the invention according to claim 3 comprises a position and orientation detection means for detecting the position and orientation of the imaging device,
  • the field-of-view specifying unit is configured to capture the captured image in the gas detection target space based on the position and orientation of the imaging device detected by the position and orientation detection unit when the captured image is captured.
  • the invention according to claim 4 acquires the gas detection information corresponding to the gas position in the gas detection target space from the gas detection device, acquires the captured image from the portable imaging device, and supplies the gas to the portable display device.
  • a gas detection information display system that controls display of detection position information
  • Computer Gas position specifying means for specifying a gas detection position in the gas detection target space based on the gas detection information
  • Visual field specifying means for specifying the visual field of the imaging device when the captured image is captured in the gas detection target space
  • Gas detection information display for functioning as display control means for displaying on the display device the gas detection position specified by the gas position specifying means entering the field of view superimposed on the captured image by positioning in the field of view It is a program.
  • the invention according to claim 5 is the gas detection information display program according to claim 4 for causing a computer to function as an image feature point extraction means for extracting a feature point from the captured image.
  • the field-of-view specifying unit is configured to capture the captured image in the gas detection target space based on the feature points extracted by the image feature point extraction unit and the facility information in the gas detection target space. It is a gas detection information display program for specifying the field of view of the imaging apparatus.
  • the invention according to claim 6 is provided with a position and orientation detection means for the gas detection information display system to detect the position and orientation of the imaging device,
  • the field-of-view specifying unit is configured to capture the captured image in the gas detection target space based on the position and orientation of the imaging device detected by the position and orientation detection unit when the captured image is captured.
  • the gas detection position detected by the gas detection device can be displayed quickly and clearly to the on-site personnel searching for the gas detection position.
  • FIG. 1 is a configuration block diagram of a gas detection information display system according to an embodiment of the present invention. It is a schematic diagram which shows the state of the gas detection by the gas detection information display system which concerns on one Embodiment of this invention, and a report. It is a mimetic diagram showing the field and the field staff. It is a schematic diagram which shows the terminal which displays an image feature point. It is a schematic diagram which shows the terminal which displays a gas detection position. It is a flowchart which shows the outline
  • the gas detection information display system 10 includes a gas detection device 11, a central control unit 12, a database (storage device) 13, and a portable terminal (tablet computer) 20.
  • the central control unit 12 and the terminal 20 include a CPU (1A, 2A) that is the center of a computer, a ROM (1B, 2B) and a RAM (1C, 2C) as storage devices for programs and data, and a communication interface (1D). 2D) etc. to communicate with each other.
  • the CPU 1A of the central control unit 12 and / or the CPU 2A of the terminal 20 function as gas position specifying means, visual field specifying means, display control means, and image feature point extracting means by executing the gas detection information display program.
  • the terminal 20 includes an imaging device 21, a display device 22, and a position / orientation detection device 23.
  • gas detection device 11 As the gas detection device 11, a gas detection infrared camera or a laser beam scanning gas detection device installed at a distance from the gas detection target space can be applied, and a large number of gas detection devices 11 are arranged in the gas detection target space. A fixed gas detection sensor group can be applied.
  • the gas measurement method is as follows: the laser beam of the target gas absorption band and non-absorption band wavelength is emitted from the gas detection device (projecting unit) and passed through the same space, and the background of the wall It is possible to apply a method of reflecting the object and returning it to the gas detection device (light receiving unit), and calculating the concentration thickness product by taking the intensity ratio of the received light amount of the absorption band and the non-absorption band based on the light reception signal.
  • a scanning method a two-dimensional scanning method is applied so that a two-dimensional gas distribution can be detected.
  • the gas detection position is fixed depending on which gas detection sensor detects the gas, which is distributed in the vertical, horizontal, and height directions in the equipment in the gas detection target space. Can be specified with accuracy.
  • This system utilizes the system configuration as described above, and as shown in FIG. 2A, the gas detection target space including the equipment 31 is monitored by the gas detection device 11, and this is detected when the gas detection device 11 detects gas. 2D, to promptly and clearly display the gas detection position 25 in the captured image 24 as shown in FIG. 2D for the on-site personnel 32 who goes to the site and searches for the gas detection position as shown in FIG. 2B It is.
  • the CPU 1A acquires gas detection information corresponding to the gas position in the gas detection target space from the gas detection device 11 (S1). (At this time, the above-mentioned alarm is issued.)
  • this gas detection information is a two-dimensional gas detection position (see FIG. (Two-dimensional coordinates).
  • the CPU 1A refers to the database 13 and specifies the gas detection position 41 in the gas detection target space based on the gas detection information (S2).
  • virtual space information (for example, three-dimensional model data of the equipment, a large number of images of the equipment as subjects) that defines the arrangement of the equipment 31 with respect to the field of view 11 a of the gas detection device 11 is the position corresponding to the portion to be imaged.
  • the CPU 1A refers to this, and the CPU 1A distributes the gas detection positions 41 corresponding to the two-dimensional coordinates 11c where the gas is detected in the virtual space within the space range or the same space range. Identify as a group (FIG. 4A).
  • the surface 11b is a cross section perpendicular to the central axis of the visual field 11a.
  • the address information of each individual gas detection sensor is stored in the database 13, and the CPU 1A acquires the identification information of the individual that detected the gas.
  • the specified gas detection position (41 or 42) is recorded in the database 13 (S3).
  • the CPU 2A displays the captured image.
  • 24 (FIG. 5, S11)
  • the CPU 2A (or the CPU 1A to which the captured image 24 is transferred from the terminal 20) functions as an image feature point extracting unit, and the feature point (for example, the feature of FIG. 2C) from the captured image 24. Points 24a, 24b, and 24c) are extracted (S12).
  • the CPU 2A functions as a visual field specifying unit, and performs a matching determination of feature points based on the feature points extracted by the image feature point extraction unit and the facility information in the gas detection target space, thereby detecting the gas detection target.
  • the visual field 21a (FIG. 6) of the imaging device when the captured image in the space is captured is specified. This equipment information refers to a part related to equipment in the virtual space information described above.
  • the CPU 2A acquires the gas detection position (41 or 42) stored in the database 13 in step S3 (S14). When the CPU 1A processes steps S12 to S14, the specific information of the visual field 21a and the gas detection position are transferred to the terminal 20.
  • the CPU 2A functions as display control means, and the gas detection position (41 or 42) specified by the gas position specifying means entering the visual field 21a is superimposed on the captured image 24 by positioning in the visual field 21a and is displayed on the display device 22. Display (S15, FIG. 2D).
  • the gas detection position 25 in FIG. 2D is based on the positioning (apparent) of the gas detection position 41 in the visual field 21a.
  • the gas detection position 25 is displayed by being positioned in the visual field 21a at the time of imaging the image by being superimposed on the image captured by the imaging device 21 of the terminal 20 and displayed on the display device 22.
  • the gas detection position detected by the gas detection device 11 can be displayed quickly and clearly to the on-site personnel 32 searching for the gas detection position.
  • Identification of the visual field 21a of the imaging device 21 when the captured image is captured may be performed based on the position and orientation of the imaging device 21 detected by the position and orientation detection device 23, instead of the method described above.
  • the position / orientation detection device 23 includes an orientation sensor such as a positioning means such as GPS, a gyro sensor, and an acceleration sensor, and detects the position and orientation of the imaging device 21. Accordingly, when the tablet computer including the display device 22 and the imaging device (camera) 21 are separate, the imaging device (camera) 21 is provided with the position / orientation detection device 23.
  • the CPU 2A (or the CPU 1A capable of acquiring information via the terminal 20) acquires information on the position and orientation of the imaging device 21 from the position / orientation detection device 23.
  • the imaging device 21 When the imaging device 21 has a zoom function, the imaging device 21 is obtained, or when the viewing angle is fixed, the viewing angle is stored in the ROM (2B or 1B), and based on the information, the field of view 21a is shown in FIG.
  • the gas detection position (41) is defined on the defined virtual space, and thereafter, the superimposition display of the gas detection position 25 on the captured image 24 by the positioning in the same visual field 21a is executed.
  • the present invention can be used to display a gas detection position.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
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  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

Afin d'afficher rapidement et clairement une position de détection de gaz détectée par un dispositif de détection de gaz pour le personnel sur site recherchant la position de détection de gaz, l'invention concerne un système d'affichage d'informations de détection de gaz qui acquiert, à partir d'un dispositif de détection de gaz (11), des informations de détection de gaz correspondant à la position du gaz dans un espace de détection de gaz et commande l'affichage des informations de position de détection de gaz sur un dispositif d'affichage portable (22). Ce système est pourvu d'un moyen de spécification de position de gaz qui spécifie une position de détection de gaz dans l'espace de détection de gaz sur la base des informations de détection de gaz, d'un moyen de spécification de champ visuel qui spécifie le champ visuel d'un dispositif d'imagerie au moment d'imager une image capturée (24) dans l'espace de détection de gaz, et d'un moyen de commande d'affichage qui, sur un dispositif d'affichage, affiche une position de détection de gaz (25), spécifiée par le moyen de spécification de position de gaz dans ledit champ visuel, superposée sur l'image capturée par positionnement dans le même champ visuel.
PCT/JP2017/030094 2016-08-24 2017-08-23 Système d'affichage d'informations de détection de gaz et programme d'affichage d'informations de détection de gaz Ceased WO2018038149A1 (fr)

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JP2016-163212 2016-08-24
JP2016163212A JP2019174115A (ja) 2016-08-24 2016-08-24 ガス検出情報表示システム及びガス検出情報表示プログラム

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Cited By (5)

* Cited by examiner, † Cited by third party
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WO2018207526A1 (fr) * 2017-05-10 2018-11-15 コニカミノルタ株式会社 Détecteur d'anomalie de structure
JP2019184485A (ja) * 2018-04-13 2019-10-24 コニカミノルタ株式会社 ガス検知用画像処理装置、ガス検知用画像処理方法、及び、ガス検知用画像処理プログラム
WO2020017060A1 (fr) * 2018-07-20 2020-01-23 マクセル株式会社 Dispositif, procédé et système de détection d'onde térahertz
WO2021002263A1 (fr) * 2019-07-03 2021-01-07 コニカミノルタ株式会社 Équipement terminal de détection de gaz
JP2022066541A (ja) * 2018-07-20 2022-04-28 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置

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JP7659477B2 (ja) * 2021-09-21 2025-04-09 東京瓦斯株式会社 ガス漏洩検知システム

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JP2012022668A (ja) * 2010-06-17 2012-02-02 Ns Solutions Corp 情報処理装置、情報処理方法及びプログラム
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JP2015069362A (ja) * 2013-09-27 2015-04-13 株式会社トヨタマップマスター ヘッドマウントディスプレイ及びその制御方法、並びにヘッドマウントディスプレイを制御するためのコンピュータプログラム及びコンピュータプログラムを記録した記録媒体
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WO2018207526A1 (fr) * 2017-05-10 2018-11-15 コニカミノルタ株式会社 Détecteur d'anomalie de structure
JP7056342B2 (ja) 2018-04-13 2022-04-19 コニカミノルタ株式会社 ガス検知用画像処理装置、ガス検知用画像処理方法、及び、ガス検知用画像処理プログラム
JP2019184485A (ja) * 2018-04-13 2019-10-24 コニカミノルタ株式会社 ガス検知用画像処理装置、ガス検知用画像処理方法、及び、ガス検知用画像処理プログラム
JP7323667B2 (ja) 2018-07-20 2023-08-08 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
JPWO2020017060A1 (ja) * 2018-07-20 2021-02-25 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及びテラヘルツ波検出システム
JP2022066541A (ja) * 2018-07-20 2022-04-28 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
US11346776B2 (en) 2018-07-20 2022-05-31 Maxell, Ltd. Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system
US11668650B2 (en) 2018-07-20 2023-06-06 Maxell, Ltd. Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system
WO2020017060A1 (fr) * 2018-07-20 2020-01-23 マクセル株式会社 Dispositif, procédé et système de détection d'onde térahertz
JP2023134826A (ja) * 2018-07-20 2023-09-27 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
JP7520191B2 (ja) 2018-07-20 2024-07-22 マクセル株式会社 テラヘルツ波検出装置、テラヘルツ波検出方法、及び情報処理装置
US12072284B2 (en) 2018-07-20 2024-08-27 Maxell, Ltd. Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system
WO2021002263A1 (fr) * 2019-07-03 2021-01-07 コニカミノルタ株式会社 Équipement terminal de détection de gaz

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